Is it actually the groundplane that is gridded/hatched? I always assumed that hatching was just cosmetic, i.e. fiberglass and/or extra thick blobs of silkscreen. That's just my assumption, I don't know it for a fact. Never bothered to try scraping away at the grid.
Of course, less copper, less heat radiation. Stripping the soldermask also increases heat radiation.
So Sanwu should have lower burst power with its grid groundplane compared to solid groundplane in identicall design, mystery thickens, it already has over 4 times the power of Dugs/Wiener as it is
Why mono boards ? Most people listen to 2 channels AFAIK. Will also be used with 1 PSU isn't it ?
i soldered these on sanwu work pretty good.
http://www.diyaudio.com/forums/clas...ng-them-everything-comes-120.html#post4785015
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http://www.diyaudio.com/forums/clas...ng-them-everything-comes-120.html#post4785015
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You should first mount them with standoffs 😀 You could have used one stereo board per speaker (if they're 2 way) so again no real need to keep it mono.
its a part assessment.
for me 30-40w mono (monoblocs) is good enough.
anything higher better go with 'discrete roll your own' or IR.
I'm good with TI on long term availability.
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I ordered 50 standoffs with screws. Have them lying for my more permanent build. I tried a lot of the dual chip stereo board, and none of them sounds as good as the couple of mono boards I tried. Simpler layout maybe?
In 35x40mm? There can be two boards isn't it?
Im doing this for my own needs, which actually is monoboards. Do i have to ask first what to do? 🙂
For stereo i have the 3132 boards, 9709 boards, 3251/3255 boards.
Im doing this for my own needs, which actually is monoboards. Do i have to ask first what to do? 🙂
For stereo i have the 3132 boards, 9709 boards, 3251/3255 boards.
It is that I obtained an excellent Wadia amp or I would have made a PCB with either 2 x TPA and PSU but more likely an FDA with STA326 and on board SMPS. I started with the latter. In most cases the chips will be used with 1 PSU anyway. I saw a challenge in making it very compact but I stopped putting time in it.
Nobody told you what to do but I seriously ask myself (in general, not adressing to you personally) why boards with TPA are mono mostly and without PSU. Maybe to sponsor Meanwell 😉 The silly small size of boards is no benefit when a large PSU is needed next to it. Secondly SMD ceramic input caps are needed then while better 2.5 mm small TH film caps exist.
Nobody told you what to do but I seriously ask myself (in general, not adressing to you personally) why boards with TPA are mono mostly and without PSU. Maybe to sponsor Meanwell 😉 The silly small size of boards is no benefit when a large PSU is needed next to it. Secondly SMD ceramic input caps are needed then while better 2.5 mm small TH film caps exist.
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Because power dissipation. Running in PBTL relaxes the thermal situation a lot. I will use them for my mono projects (portable up-cycled boomboxes.)
If going stereo they'll be linked. Power supplies is not my business.
If going stereo they'll be linked. Power supplies is not my business.